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Qiu Shi 2012年第2期4卷 138-139页

作者： li gang liao jianhui xiang yini

Design of weak current measurement system and research on temperature impact

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Nuclear Science and Techniques 2024年第4期35卷 46-56页

作者： Chu-xiang Zhao San-gang li Rong-Rong Su li Yang Ming-Zhe liu Qing-Yue Xue Shan liao Zhi Zhou Qing-Shan Tan Xian-Guo Tuo Yi Cheng College of Nuclear Technology and Automation Engineering Chengdu University of Technology1#DongsanluErxianqiaoChengdu 610059China Applied Nuclear Technology in Geosciences Key Laboratory of Sichuan Province Chengdu University of Technology1#DongsanluErxianqiaoChengdu 610059China University of Science and Technology of China Hefei 230026China School of Physics and Electronic Engineering Sichuan University of Science and EngineeringZigong 643000China

A dedicated weak current measurement system was designed to measure the weak currents generated by the neutron ionization *** system incorporates a second-order low-pass filter circuit and the Kalman filtering algorithm to effectively filter out noise and minimize interference in the measurement *** conducted under normal temperature conditions has demonstrated the system's high precision ***,it was observed that temperature variations can affect the measurement *** were collected across temperatures ranging from -20 to 70℃,and a temperature correction model was established through linear regression fitting to address this *** feasibility of the temperature correction model was confirmed at temperatures of -5 and 40℃,where relative errors remained below 0.1% after applying the temperature *** research indicates that the designed measurement system exhibits excellent temperature adaptability and high precision,making it particularly suitable for measuring weak currents.

关键词： Weak current measurement system Neutron ionization chamber Kalman filter algorithm Temperature correction model

Comparative evaluation of commercial Douchi by different molds:biogenic amines,non-volatile and volatile compounds

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Food Science and Human Wellness 2024年第1期13卷 434-443页

作者： Aijun li gang Yang Zhirong Wang Shenglan liao Muying Du Jun Song Jianquan Kan College of Food Science Southwest UniversityChongqing 400715China Chinese-Hungarian Cooperative Research Centre for Food Science Chongqing 400715China Laboratory of Quality&Safety Risk Assessment for Agri-products on Storage and Preservation(Chongqing) Ministry of Agriculture and Rural Affairs of the People's Republic of ChinaChongqing 400715China Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing Chongqing 400715China Shu xiang Douchi Food Research Institute limited Company Chongqing 402160China

To provide new insights into the development and utilization of Douchi artificial starters,three common strains(Aspergillus oryzae,Mucor racemosus,and Rhizopus oligosporus)were used to study their influence on the fermentation of *** results showed that the biogenic amine contents of the three types of Douchi were all within the safe range and far lower than those of traditional fermented ***-type Douchi produced more free amino acids than the other two types of Douchi,and its umami taste was more prominent in sensory evaluation(Plic acid(P<0.05),the sour taste was significantly positively correlated with citric acid and most free amino acids(P<0.05),while astringency was significantly negatively correlated with glucose(P<0.001).Thirteen volatile compounds such as furfuryl alcohol,phenethyl alcohol,and benzaldehyde caused the flavor difference of three types of *** study provides theoretical basis for the selection of starting strains for commercial Douchi production.

关键词： Douchi Starting strains Non-volatile compounds Volatile compounds Sensory evaluation

The Design of GECAM Scientific Ground Segment

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Research in Astronomy and Astrophysics 2024年第10期24卷 1-10页

作者： Shijie Zheng liming Song xiang Ma Ping Wang Rui Qiao Yue Huang Xiaoyun Zhao Hongmei Zhang Xiaobo li Mingyu Ge gang Chen Gongxing Sun Wenxi Peng Ce Cai Wei Chen Yanqi Du Dongya Guo Bing li Chaoyang li jianhui li Qingxin li Jing liang Jiacong liu Ge Ou Dongli Shi Jingyan Shi Xinying Song Jin Wang Wenshuai Wang Hong Wu Shuo Xiao Wangchen Xue Min Yao Jianying Ye Kai Zhang Peng Zhang Xiaolu Zhang Yanqiu Zhang Guoying Zhao Shiyi Zhao Chao Zheng Shaolin Xiong Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Southwest Jiaotong University Chengdu 611756China xiangtan University Changsha 411105China Qufu Normal University Qufu 273165China

The Gravitational wave burst high-energy Electromagnetic Counterpart All-sky Monitor(GECAM)is a dedicated mission for monitoring high-energy *** we report the design of the GECAM Scientific Ground Segment(GSGS)in terms of the scientific requirements,including the architecture,the external interfaces,the main function,and *** from the analysis and verification results during the commissioning phase,the GSGS functions well and is able to monitor the status of the payloads,adjust the parameters,develop the scientific observation plans,generate the scientific data products,analyze the data,***,the on-orbit operation and scientific researches of GECAM are guaranteed.

关键词： gravitational waves gamma-rays:general telescopes

A Localization Method of High Energy Transients for All-sky Gamma-ray Monitor

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Research in Astronomy and Astrophysics 2024年第10期24卷 25-35页

作者： Yi Zhao Wangchen Xue Shaolin Xiong Qi Luo Yuanhao Wang Jiacong liu Heng Yu Xiaoyun Zhao Yue Huang Jinyuan liao Jianchao Sun Xiaobo li Qibin Yi Ce Cai Shuo Xiao Shenglun Xie Chao Zheng Yanqiu Zhang Chenwei Wang Wenjun Tan Zhiwei Guo Chaoyang li Zhenghua An gang Chen Yanqi Du Min Gao Ke Gong Dongya Guo Jiang He Jianjian He Bing li gang li Xinqiao li Jing liang Xiaohua liang Yaqing liu xiang Ma Rui Qiao liming Song Xinying Song Xilei Sun Jin Wang Ping Wang xiangyang Wen Hong Wu Yanbing Xu Sheng Yang Dali Zhang Fan Zhang Hongmei Zhang Peng Zhang Shu Zhang Zhen Zhang Shijie Zheng Keke Zhang Xingbo Han Haiyan Wu Hu Tai Hao Geng Gaopeng Lu Wei Xu Fanchao Lyu Hongbo Zhang Fangjun Lu Shuangnan Zhang Department of Astronomy Beijing Normal UniversityBeijing 100875China Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China School of Physics and Optoelectronics Xiangtan UniversityXiangtan 411105China College of Physics Hebei Normal UniversityShijiazhuang 050024China Guizhou Provincial Key Laboratory of Radio Astronomy and Data Processing Guizhou Normal UniversityGuiyang 550001China School of Physics and Electronic Science Guizhou Normal UniversityGuiyang 550001China Institute of Astrophysics Central China Normal UniversityWuhan 430079China College of physics Sciences Technology Hebei UniversityBaoding 071002China Physics and Space Science College China West Normal UniversityNanchong 637002China School of Computing and Artificial Intelligence Southwest Jiaotong UniversityChengdu 611756China College of Electronic and information Engineering Tongji UniversityShanghai 201804China Innovation Academy for Microsatellites of Chinese Academy of Sciences Shanghai 201304China National Space Science Center Chinese Academy of SciencesBeijing 100190China School of Earth and Space Sciences University of Science and Technology of ChinaHefei 230026China Electronic Information School Wuhan UniversityWuhan 430072China Key Laboratory of Transportation Meteorology of China Meteorological Administration Nanjing Joint Institute for Atmospheric SciencesNanjing 210000China Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China

Fast and reliable localization of high-energy transients is crucial for characterizing the burst properties and guiding the follow-up *** based on the relative counts of different detectors has been widely used for all-sky gamma-ray *** are two major methods for this count distribution localization:χ^(2)minimization method and the Bayesian *** we propose a modified Bayesian method that could take advantage of both the accuracy of the Bayesian method and the simplicity of the χ^(2)*** comprehensive simulations,we find that our Bayesian method with Poisson likelihood is generally more applicable for various bursts than the χ^(2)method,especially for weak *** further proposed a location-spectrum iteration approach based on the Bayesian inference,which could alleviate the problems caused by the spectral difference between the burst and location *** method is very suitable for scenarios with limited computation resources or timesensitive applications,such as in-flight localization software,and low-latency localization for rapidly follow-up observations.

关键词： methods:data analysis methods:analytical (stars:)gamma-ray burst:general

The In-Flight Realtime Trigger and Localization Software of GECAM

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Research in Astronomy and Astrophysics 2024年第10期24卷 11-24页

作者： Xiao-Yun Zhao Shao-lin Xiong xiang-Yang Wen Xin-Qiao li Ce Cai Shuo Xiao Qi Luo Wen-Xi Peng Dong-Ya Guo Zheng-Hua An Ke Gong Jin-Yuan liao Yan-Qiu Zhang Yue Huang Lu li Xing Wen Fei Zhang Jing Duan Chen-Wei Wang Dong-li Shi Peng Zhang Qi-Bin Yi Chao-Yang li Yan-Bing Xu Xiao-Hua liang Ya-Qing liu Da-li Zhang Xi-Lei Sun Fan Zhang gang Chen Huan-Yu Wang Sheng Yang Xiao-Jing liu Min Gao Mao-Shun li Jin-Zhou Wang Xing Zhou Yi Zhao Wang-Chen Xue Chao Zheng Jia-Cong liu Xing-Bo Han Jin-ling Qi Jia Huang Ke-Ke Zhang Can Chen Xiong-Tao Yang Dong-Jie Hou Yu-Sa Wang Rui Qiao xiang Ma Xiao-Bo li Ping Wang Xin-Ying Song li-Ming Song Shi-Jie Zheng Bing li Hong-Mei Zhang Yue Zhu Wei Chen Jian-Jian He Zhen Zhang Jin Hou Hong-Jun Wang Yan-Chao Hao xiang-Yu Wang Zong-Yuan Yang Zhi-Long Wen Zhi Chang Yuan-Yuan Du Rui Gao Xiao-Fei Lan Yan-Guo li gang li Xu-Fang li Fang-Jun Lu Hong Lu Bin Meng Feng Shi Hui Wang Hui-Zhen Wang Yu-Peng Xu Jia-Wei Yang Xue-Juan Yang Shuang-Nan Zhang Chao-Yue Zhang Cheng-Mo Zhang Zhi-Cheng Tang Cheng Cheng Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China School of Information Science and Technology Southwest Jiaotong UniversityChengdu 611756China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Physics and Space Science College China West Normal UniversityNanchong 637002China Department of Astronomy Beijing Normal UniversityBeijing 100875China Innovation Academy for Microsatellites of CAS Shanghai 201203China Changchun University of Science and Technology Changchun 130022China Chinese Academy of Sciences South America Center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China

Realtime trigger and localization of bursts are the key functions of GECAM,an all-sky gamma-ray monitor launched on 2020 December *** developed a multifunctional trigger and localization software operating in the CPU of the GECAM Electronic *** onboard software has the following features:high trigger efficiency for real celestial bursts with a suppression of false triggers caused by charged particle bursts and background fluctuation,dedicated localization algorithm optimized for both short and long bursts,and low time latency of the trigger information which is downlinked through the Global Short Message Communication service of the global BeiDou navigation *** paper provides a detailed description of the design and development of the trigger and localization software system for *** covers the general design,workflow,the main functions,and the algorithms used in the *** paper also includes on-ground trigger tests using simulated gamma-ray bursts generated by a dedicated X-ray tube,as well as an overview of the performance for real celestial bursts during its in-orbit operation.

关键词： telescopes instrumentation:detectors methods:observational

叶施生物刺激剂与减量灌溉对芹菜生长、产量及灌溉水利用效率的影响

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节水灌溉 2024年第10期 1-7页

作者：陈俊杰李艳梅杨俊刚姜丽娜孙向阳廖上强北京林业大学林学院森林培育与保护教育部重点实验室北京100083 北京市农林科学院植物营养与资源环境研究所北京100097

生物刺激剂在增强农作物非生物逆境耐性方面的潜在价值备受各方关注。采用完全随机区组设计,考察了生物刺激剂(清水对照组CK;黄腐酸FA;甜菜碱GB)叶施与减量灌溉(常规灌溉CI;73%常规灌溉RI)措施相耦合对设施芹菜生产的影响,旨在探索生物... 详细信息

生物刺激剂在增强农作物非生物逆境耐性方面的潜在价值备受各方关注。采用完全随机区组设计,考察了生物刺激剂(清水对照组CK;黄腐酸FA;甜菜碱GB)叶施与减量灌溉(常规灌溉CI;73%常规灌溉RI)措施相耦合对设施芹菜生产的影响,旨在探索生物刺激剂的节水增产增效潜力。分析了芹菜光合作用、生物量、产量、灌溉水利用效率、营养和安全品质以及矿质营养元素氮磷钾吸收量等指标。结果表明,常规及减量灌溉条件下,叶施FA和GB显著降低了芹菜的叶片温度,大幅提升了芹菜的叶片蒸腾效率;叶喷2种生物刺激剂还明显提升了芹菜地上部氮磷钾元素吸收量和单棵重、产量、净收入、灌溉水利用效率,叶施FA处理芹菜的生长及产量明显优于GB。品质调控方面,GB优于FA。与CI相比,RI处理未引起芹菜减产,大幅提升了芹菜灌溉水利用效率。RIFA和RIGB组合处理的芹菜产量、水分利用效率和净收入均明显大于CICK,表明2种生物刺激剂在农业增产增效及节水领域均具有应用价值。

关键词：生物刺激剂黄腐酸(FA) 甘氨酸甜菜碱(GB) 水肥胁迫减量灌溉叶面喷施水肥耦合

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Status of aquatic organisms resources and their environments in Yangtze River system(2017-2021)⋆

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Aquaculture and Fisheries 2024年第5期9卷 833-850页

作者： Haile Yang li Shen Yongfeng He Huiwu Tian Lei Gao Jinming Wu Zhigang Mei Nian Wei lin Wang Tingbing Zhu Feifei Hu Jinling Gong Hongchun Du Xinbin Duan Huatang Deng Daoqun Wang Fengyue Zhu Yunfeng li Fan Wu Huijun Ru Yan Zhang Junyi li Junlin Yang Yuntao Zhou Dongdong Fang Yinping Wang Danqing lin Yanping Yang Peijie li Silei liu Jian Yang Ping Zhuang Sikai Wang Tao Zhang gang Yang Wenbo Yang lilai Yuan Kun Cao Shuo Xu Huiyuan liu Zhiqiang liang Chongrui Wang Hong li Xiping Yuan Xin Yang Yilong Fu Yanping Zhang Haixin Zhang Zhiying Tao Sheng Wang Xiaoping Gao Binsong Jin Kemao li Guojie Wang Shenglong Jian Yingqin li Chenjiang Xue Chunyun Lei Shaowei Xue Yi Sun Bin Zhu Ke Shao Xingkun Hu Meihua Xiong Jun Du Bin He Tao Yan Yingying Huang Yuanchao Zou Biwen Xie Yongming Wang Bin li Fei liu Yaoyao Zhang Fei Fan Zhijian Wang Jing Huang Haoran Gu Hailong Ge Yan Dan Yan li Shuqiao Wang Chuang Zhang Lu Zhou Xue Wang Sheng Zeng Yan xiang Xugang He jianhui Qin Chengxing Xia Jie Hou Yifu Shi lifang Gao Zhiqiang Zhu Hongbao Shen Yun Du Xuejun Duan Jiawu Xiong Deguo Yang Shaoping liu Zhaohui Ni Hui Zhang Kai liu Feng Zhao Yingren li Jianwei Wang Qiwei Wei Yangtze River Fisheries Research Institute Chinese Academy of Fishery SciencesWuhan430223China Institute of Hydrobiology Chinese Academy of SciencesWuhan430072China Fishery Resource and Environment Research Center Chinese Academy of Fishery SciencesBeijing100141China Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization Ministry of Agriculture and Rural AffairsFreshwater Fisheries Research CenterChinese Academy of Fishery SciencesWuxi214081China East China Sea Fisheries Research Institute Chinese Academy of Fishery SciencesShanghai200090China Institute of Fisheries Engineering Chinese Academy of Fishery SciencesBeijing100141China Hunan Fisheries Science Institute Changsha410153China Jiangxi Fisheries Research Institute Nanchang330039China Jiujiang Academy of Fishery Sciences Jiujiang332000China School of life Sciences Nanchang UniversityNanchang330031China Qinghai Provincial Fishery Technology Extension Center Xining810012China Yunnan Academy of Fishery Sciences Kunming650111China Institute of Hydroecology Ministry of Water Resources and Chinese Academy of SciencesWuhan430079China Fisheries Institute Sichuan Academy of Agricultural SciencesChengdu611731China School of life Sciences Neijiang Normal UniversityNeijiang641100China School of life Sciences Southwest UniversityChongqing400715China Chongqing Fishery Sciences Research Institute Chongqing401120China Guizhou Fisheries Research Institute Guiyang550025China College of Fisheries Huazhong Agricultural UniversityWuhan430072China Hubei Fisheries Science Research Institute Wuhan430070China Shaanxi Fisheries Research Institute Xi’an710086China Innovation Academy for Precision Measurement Science and Technology Chinese Academy of SciencesWuhan430077China Nanjing Institute of Geography and limnology Chinese Academy of SciencesNanjing210008China Central South Inventory and Planning Institute of State Forestry and Grassland Administration Changsha410014China

The Yangtze River is the mother river of *** promote the aquatic ecosystem protection of the great river,the Project of Yangtze Fisheries Resources and Environment Investigation(2017-2021)supported by the Ministry of Agriculture and Rural Affairs,*** carried out by 24 institutes and universities that located in the Yangtze River basin surveys the status of(1)fish species composition and spatial distribution,(2)current fish abundance,(3)endangered fishes,(4)Yangtze finless porpoise,(5)aquatic eco-environments,(6)water-level fluctuation areas,(7)capture fisheries and recreational fisheries of the Yangtze River mainstream and 10 of its main tributaries,including Yalong River,Heng River,Min River(including Dadu River),Chishui River,Tuo River,Jialing River,Wu River,Han River,Dongting Lake and Poyang *** results showed that there were 443 fish species(belonging to 163 genus,37 families,and 18 orders)before 2017,but only 323 fish species(including 15 new recorded exotic species)were recorded in the project of *** them,Cyprinus carpio,Carassius auratus,Hypophthalmichthys molitrix,Pelteobagrus fulvidraco,Coilia brachygnathus,Silurus asotus,Saurogobio dabryi,Ctenopharyngodon idellus,Pelteobagrus nitidus,Hemiculter leucisculus,Siniperca chuatsi,Coreius heterodon,Culter alburnus,Parabramis pekinensis,and Aristichthys nobilis were the dominant species across the whole Yangtze River *** is estimated that there were 886 million individuals weighing 124.8 million kg,merely equivalent to 27.3%of the resources in 1950s,30.9%of the resources in 1960s,or 58.7%of the resources in *** the new list of protected fishes that recorded in the Yangtze River system,only 15 of 29 were collected in this project of *** gladius has been affirmed to be Extinct by International Union for Conservation of Nature(IUCN).The wild individuals of Tenualosa reevesii and Luciobrama macrocephalus have disappeared for many years and maybe have been extinct

关键词： Fishes Yangtze finless porpoise Resources Aquatic ecosystem Fisheries Background investigation Yangtze river system

Searching for^(76)Ge neutrinoless double beta decay with the CDEX-1B experiment

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Chinese Physics C 2024年第10期48卷 11-22页

作者： Bing-Tao Zhang Jun-Zheng Wang li-Tao Yang Qian Yue Ke-Jun Kang Yuan-Jing li Hai-Peng An C.Greeshma Jian-Ping Chang Yun-Huan Chen Jian-Ping Cheng Wen-Han Dai Zhi Deng Chang-Hao Fang Xin-Ping Geng Hui Gong Qiu-Ju Guo Xu-Yuan Guo li He Sheng-Ming He Jin-Wei Hu Han-Xiong Huang Tu-Chen Huang Hai-Tao Jia Xi Jiang S.Karmakar Hao-Bin li Jian-Min li Jin li Qian-Yun li Ren-Ming-Jie li Xue-Qian li Yu-Lan li Yi-Fan liang Bin liao Fong-Kay lin Shin-Ted lin Jia-Xuan liu Shu-Kui liu Yan-Dong liu Yu liu Yuan-Yuan liu Zhong-Zhi liu Hao Ma Yu-Cai Mao Qi-Yuan Nie Jin-Hua Ning Hui Pan Ning-Chun Qi Jie Ren Xi-Chao Ruan Ze She Manoj Kumar Singh Tian-Xi Sun Chang-Jian Tang Wei-You Tang Yang Tian Guang-Fu Wang li Wang Qing Wang Yu-Feng Wang Yun-xiang Wang Henry-Tsz-King Wong Shi-Yong Wu Yu-Cheng Wu Hao-Yang Xing Rui Xu Yin Xu Tao Xue Yu-Lu Yan Nan Yi Chun-Xu Yu Hai-Jun Yu Jian-Feng Yue Ming Zeng Zhi Zeng Feng-Shou Zhang Lei Zhang Zhen-Hua Zhang Zhen-Yu Zhang Kang-Kang Zhao Ming-gang Zhao Ji-Fang Zhou Zu-Ying Zhou Jing-Jun Zhou Key Laboratory of Particle and Radiation Imaging(Ministry of Education)and Department of Engineering Physics Tsinghua UniversityBeijing 100084 Department of Physics Tsinghua UniversityBeijing 100084 Institute of Physics Academia SinicaTaipei 11529 NUCTECH Company Beijing 100084 YaLong River Hydropower Development Company Chengdu 610051 College of Nuclear Science and Technology Beijing Normal UniversityBeijing 100875 College of Physics Sichuan UniversityChengdu 610065 School of Physics Peking UniversityBeijing 100871 Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413 Sino-French Institute of Nuclear and Technology Sun Yat-sen UniversityZhuhai 519082 School of Physics Nankai UniversityTianjin 300071 Department of Physics Banaras Hindu UniversityVaranasi 221005 Department of Physics Beijing Normal UniversityBeijing 100875

We operated a p-type point contact high purity germanium(PPCGe)detector(CDEX-1B,1.008 kg)in the China Jinping Underground Laboratory(CJPL)for 500.3 days to search for neutrinoless double beta(0νββ)decay of^(76)Ge.A total of 504.3 kg⋅day effective exposure data was *** anti-coincidence and the multi/single-site event(MSE/SSE)discrimination methods were used to suppress the background in the energy region of interest(ROI,1989–2089 keV for this work)with a factor of 23.A background level of 0.33 counts/(keV⋅kg⋅yr)was *** lower limit on the half life of^(76)Ge 0νββdecay was constrained as T_(1/2)^(0ν)>1.0×10^(23)yr(90%C.L.),corresponding to the upper limits on the effective Majorana neutrino mass:<3.2–7.5 eV.

关键词： neutrinoless double beta decay CDEX point-contact germanium detector ^(76)Ge

Reviews and Prospects of Clean Steel Production Practices in Ansteel

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Journal of Iron and Steel Research International 2011年第S2期18卷 9-15页

作者： TANG Fu-ping,li De-gang,liao xiang-wei,WANG Xiao-feng,WAN Xue-feng,JIA Ji-xiang,ZHANG Ji-gang(Anshan Iron and steel group company,Anshan 114000,liaoning,China) Anshan Iron & steel Grp Co Anshan 114000 Liaoning Peoples R China

It summarizes the recognition of clean steel through the reviews the historical development and production practices of clean steel of Ansteel in this *** technological characteristic,equipment,controlling capability and new exploratory of clean steel production of Ansteel are *** has also made a new appraisal to the production line of different clean steel from the angle of high efficiency,stabilization and *** prospects of new production technology of clean steel are introduced at the end of the paper.

关键词： clean steel energy-saving and emission reduction low-cost new technology